/*
let age = 18;
console.log(age);
age = 81;
console.log(age);*/
/*一次性声明多个变量*/
// let name = "zs", age = 18, sex = "man";
/*
let [name,age,sex] = ["zs",18,"woman"];/!*解构赋值*!/*/
//声明变量，没有赋值 undefined
//变量被声明的标准是在内容中有地址,js是弱语言，给他赋什么类型的值，变量就是什么类型
/*let age ;
console.log(age);*/

//没有声明
/*age = 18;
console.log(age);*/

// console.log(age)

let email1 = 15;

/*
* */
